Electronic tube and vacuum tube catalog

Base

Refer to variations

Socket code

UX4

Electrical Summary

Heater	5.5 V / 1 A
Plate	500 V / 15 W
Screen	300 V / 6 W
Ik max	60 mA
gm	4 mA/V

Sections

1

4 pins - UX4 - Medium-shell UX 4-contact

Power pentode designed primarily for Class-C radio-frequency transmitting, amplifier, oscillator, or modulated RF service.

Base

Refer to variations

Socket code

MEDIUM5

Electrical Summary

Heater	5.5 V / 1 A
Plate	500 V / 15 W
Screen	250 V

Sections

1

5 pins - MEDIUM5 - Medium 5-contact transmitting-tube base

Raytheon transmitting pentode intended for RF oscillator-amplifier service. Manufacturer documentation provides transmitting maximum ratings and capacitances for radio-frequency power generation and amplification.